1570386520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{2203}}^1$

素因数の和:2536

約数の個数: 64

約数和(自身を含む): 3599043840

約数和(自身を除く): 2028657320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 251, 284, 355, 502, 568, 710, 1004, 1255, 1420, 2008, 2203, 2510, 2840, 4406, 5020, 8812, 10040, 11015, 17624, 17821, 22030, 35642, 44060, 71284, 88120, 89105, 142568, 156413, 178210, 312826, 356420, 552953, 625652, 712840, 782065, 1105906, 1251304, 1564130, 2211812, 2764765, 3128260, 4423624, 5529530, 6256520, 11059060, 22118120, 39259663, 78519326, 157038652, 196298315, 314077304, 392596630, 785193260, 1570386520]

約数ペア:

[(1, 1570386520), (2, 785193260), (4, 392596630), (5, 314077304), (8, 196298315), (10, 157038652), (20, 78519326), (40, 39259663), (71, 22118120), (142, 11059060), (251, 6256520), (284, 5529530), (355, 4423624), (502, 3128260), (568, 2764765), (710, 2211812), (1004, 1564130), (1255, 1251304), (1420, 1105906), (2008, 782065), (2203, 712840), (2510, 625652), (2840, 552953), (4406, 356420), (5020, 312826), (8812, 178210), (10040, 156413), (11015, 142568), (17624, 89105), (17821, 88120), (22030, 71284), (35642, 44060)]